/**
    *
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package org.apache.hadoop.hbase.ipc;
  
  import org.apache.hadoop.hbase.metrics.BaseSource;
  
  public interface MetricsHBaseServerSource extends BaseSource {
    String AUTHORIZATION_SUCCESSES_NAME = "authorizationSuccesses";
    String AUTHORIZATION_SUCCESSES_DESC =
        "Number of authorization successes.";
    String AUTHORIZATION_FAILURES_NAME = "authorizationFailures";
    String AUTHORIZATION_FAILURES_DESC =
        "Number of authorization failures.";
    String AUTHENTICATION_SUCCESSES_NAME = "authenticationSuccesses";
    String AUTHENTICATION_SUCCESSES_DESC =
        "Number of authentication successes.";
    String AUTHENTICATION_FAILURES_NAME = "authenticationFailures";
    String AUTHENTICATION_FAILURES_DESC =
        "Number of authentication failures.";
    String SENT_BYTES_NAME = "sentBytes";
    String SENT_BYTES_DESC = "Number of bytes sent.";
    String RECEIVED_BYTES_NAME = "receivedBytes";
    String RECEIVED_BYTES_DESC = "Number of bytes received.";
    String QUEUE_CALL_TIME_NAME = "queueCallTime";
    String QUEUE_CALL_TIME_DESC = "Queue Call Time.";
    String PROCESS_CALL_TIME_NAME = "processCallTime";
    String PROCESS_CALL_TIME_DESC = "Processing call time.";
    String TOTAL_CALL_TIME_NAME = "totalCallTime";
    String TOTAL_CALL_TIME_DESC = "Total call time, including both queued and processing time.";
    String QUEUE_SIZE_NAME = "queueSize";
    String QUEUE_SIZE_DESC = "Number of bytes in the call queues.";
    String GENERAL_QUEUE_NAME = "numCallsInGeneralQueue";
    String GENERAL_QUEUE_DESC = "Number of calls in the general call queue.";
    String PRIORITY_QUEUE_NAME = "numCallsInPriorityQueue";
    String REPLICATION_QUEUE_NAME = "numCallsInReplicationQueue";
    String REPLICATION_QUEUE_DESC =
        "Number of calls in the replication call queue.";
    String PRIORITY_QUEUE_DESC = "Number of calls in the priority call queue.";
    String NUM_OPEN_CONNECTIONS_NAME = "numOpenConnections";
    String NUM_OPEN_CONNECTIONS_DESC = "Number of open connections.";
    String NUM_ACTIVE_HANDLER_NAME = "numActiveHandler";
    String NUM_ACTIVE_HANDLER_DESC = "Number of active rpc handlers.";
  
    String EXCEPTIONS_NAME="exceptions";
    String EXCEPTIONS_DESC="Exceptions caused by requests";
    String EXCEPTIONS_TYPE_DESC="Number of requests that resulted in the specified type of Exception";
    String EXCEPTIONS_OOO_NAME="exceptions.OutOfOrderScannerNextException";
    String EXCEPTIONS_BUSY_NAME="exceptions.RegionTooBusyException";
    String EXCEPTIONS_UNKNOWN_NAME="exceptions.UnknownScannerException";
    String EXCEPTIONS_SCANNER_RESET_NAME="exceptions.ScannerResetException";
    String EXCEPTIONS_SANITY_NAME="exceptions.FailedSanityCheckException";
    String EXCEPTIONS_MOVED_NAME="exceptions.RegionMovedException";
    String EXCEPTIONS_NSRE_NAME="exceptions.NotServingRegionException";
  
    void authorizationSuccess();
  
    void authorizationFailure();
  
    void authenticationSuccess();
  
    void authenticationFailure();
  
    void exception();
  
    /**
     * Different types of exceptions
     */
    void outOfOrderException();
    void failedSanityException();
    void movedRegionException();
    void notServingRegionException();
    void unknownScannerException();
    void scannerResetException();
    void tooBusyException();
  
    void sentBytes(long count);
  
    void receivedBytes(int count);
  
    void dequeuedCall(int qTime);
  
    void processedCall(int processingTime);
 
   void queuedAndProcessedCall(int totalTime);
   }